Property and Equipment, net

9 Months Ended

Jun. 30, 2025

Property, Plant and Equipment [Abstract]

5. Property and Equipment, net

Property and equipment, net consists of the following:


	Useful Life	June 30, 2025		September 30, 2024
Land	—	$	42.9	$	42.9
Buildings and leasehold improvements	2-40 yrs.		48.0		46.7
Operating equipment	2-7 yrs.		426.3		388.3
Transportation vehicles	3-7 yrs.		477.2		403.1
Office equipment and software	3-10 yrs.		55.8		48.6
Construction in progress	—		6.7		4.9
Property and equipment			1,056.9		934.5
Less: Accumulated depreciation			563.8		542.6
Property and equipment, net		$	493.1	$	391.9

Construction in progress includes costs incurred for software and other assets that have not yet been placed in service. Depreciation expense related to property and equipment was $38.9 and $28.1 for the three months ended June 30, 2025 and 2024, respectively. Depreciation expense related to property and equipment was $101.2 and $79.8 for the nine months ended June 30, 2025 and 2024, respectively.